Merge pull request #128 from Chassis/dependabot/npm_and_yarn/acorn-6.4.1

Bump acorn from 6.3.0 to 6.4.1

Author: BronsonQuick

package-lock.json

@@ -1106,9 +1106,9 @@ accepts@~1.3.4, accepts@~1.3.5, accepts@~1.3.7:
  negotiator "0.6.2"
 
 acorn@^6.2.1:
- version "6.3.0"
- resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
- integrity sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==
+ version "6.4.1"
+ resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
+ integrity sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==
 
 agentkeepalive@^2.2.0:
  version "2.2.0"